1232340432100 has 72 divisors (see below), whose sum is σ = 2699676459648. Its totient is φ = 488237865600.

The previous prime is 1232340432097. The next prime is 1232340432121. The reversal of 1232340432100 is 12340432321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104244190 + ... + 104256010.

It is an arithmetic number, because the mean of its divisors is an integer number (37495506384).

Almost surely, 2^{1232340432100} is an apocalyptic number.

1232340432100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232340432100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349838229824).

1232340432100 is an abundant number, since it is smaller than the sum of its proper divisors (1467336027548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232340432100 is a wasteful number, since it uses less digits than its factorization.

1232340432100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21685 (or 21678 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1232340432100 its reverse (12340432321), we get a palindrome (1244680864421).

The spelling of 1232340432100 in words is "one trillion, two hundred thirty-two billion, three hundred forty million, four hundred thirty-two thousand, one hundred".